I'm working on an RF transmitter and receiver project using the cheap 433mHz transmitters and receivers and RcSwitch library. Currently, the receiver works at upto 7 metres with a masonry wall obstruction. But beyond the 7 metres, it looses communication. Please can someone advice me on which transm…

RF transmitter range

TomGeorge May 3, 2018, 9:16am 2

Hi,
Welcome to the forum.

Please read the first post in any forum entitled how to use this forum.
http://forum.arduino.cc/index.php/topic,148850.0.html

Have you connected an aerial to the Tx and Rx.

This link may help.

Tom..

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